Compatible with Kenmore 85151 filters Each Package contain 1 Replacement filter and 2 pre-carbon filter Approximate measurement: 13 1/8 X 10 3/4 x 1 (inches). True Hepa filter rate H13 removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke, dust, pollen, pet dander, and more Recommended to replace every six (6) months or more often depends on the regional air quality Air Cleaner Replacement filter. Compatible to Kenmore 85151 Including 1 HEPA filter and 2 carbon pre-filters